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Acrel ADW300 vs ABB B23 112-100

Install fit
Phase support Three-phase three-wire and three-phase four-wire wiring modes. Three-phase 3-wire and 4-wire systems; nominal 3 x 230/400 V AC.
Installation Indoor DIN-rail / distribution-box three-phase meter with external CT input and auxiliary AC/DC 85-265 V supply. Indoor 4-DIN DIN-rail direct-connected three-phase energy meter for distribution boards and small enclosures.
Measurement Three-phase CT-input wireless smart energy meter for active/reactive energy, electrical parameters, demand, harmonics, and power monitoring. Direct-connected three-phase active-energy meter with RS485 Modbus RTU / EQ Bus and pulse or alarm output.
Max current Unknown 65 A
Meter fit
Accuracy class Class 0.5S active energy for ADW300; Class 1 for ADW300W variant. Active energy Class B / Class 1.
Current sensing External CT input; ADW300 manual lists 3 x 1(6) A CT-input context and optional 333 mV / Rogowski access variants. Direct-connected three-phase meter; B23 direct connection up to 65 A, no external CTs for B23 112-100.
Monitoring
Protocol RS485 Modbus RTU; optional Wi-Fi, 4G, NB-IoT, LoRa / LoRaWAN variants Modbus RTU
Local API Yes Yes
Cloud dependency No cloud required for RS485 Modbus RTU metering; Acrel IoT/cloud use is optional on wireless variants. No ABB cloud required for core metering; B23 112-100 exposes local RS485 Modbus RTU / EQ Bus data when connected to compatible equipment.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Price range Unknown About $150-$300
Availability Global Acrel product range; local wireless-option availability and certification context vary. ABB global product and distributor channels; MID/IEC availability and local stock vary by country.
Source check
Last verified Jul 24, 2026 Jul 17, 2026
Product page Official page Official page
Documentation Official docs Official docs
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